title: Acute porphyria and one false initial diagnosis due to the previous taking of pyridium.
mesh_terms: D006801:Humans; D010621:Phenazopyridine; D017118:Porphyria, Acute Intermittent; D011164:Porphyrias / Q000175:diagnosis*
chemical_list: D010621:Phenazopyridine
keywords: PORPHYRIA/diagnosis